ML11224A033

From kanterella
Jump to navigation Jump to search
OL - FW: Jfd for NRC
ML11224A033
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 07/20/2011
From:
Office of Nuclear Reactor Regulation
To:
Division of Operating Reactor Licensing
References
Download: ML11224A033 (11)


Text

WBN2Public Resource From: Milano, Patrick Sent: Wednesday, July 20, 2011 11:20 AM To: Brown, Leta Cc: WBN2HearingFile Resource

Subject:

FW: JFD for NRC Attachments: WBN_JFD_1991-2010[for NRC].pdf Here is the joint frequency distribution data.

From: Bryan, Robert H Jr [1]

Sent: Wednesday, July 20, 2011 11:18 AM To: Milano, Patrick Cc: Crouch, William D

Subject:

FW: JFD for NRC From: Wastrack, Kenneth G Sent: Wednesday, July 20, 2011 10:41 AM To: Bryan, Robert H Jr

Subject:

JFD for NRC

Bob, As was discussed in the conference call this morning, here is the JFD that was used for the X/Q calculations.

Thank you, Kenneth G. (Ken) Wastrack Meteorologist (kgwastrack@tva.gov)

CTR 1P-M 256-386-3835 1

Hearing Identifier: Watts_Bar_2_Operating_LA_Public Email Number: 458 Mail Envelope Properties (9C2386A0C0BC584684916F7A0482B6CA2DC4F9A028)

Subject:

FW: JFD for NRC Sent Date: 7/20/2011 11:20:24 AM Received Date: 7/20/2011 11:20:26 AM From: Milano, Patrick Created By: Patrick.Milano@nrc.gov Recipients:

"WBN2HearingFile Resource" <WBN2HearingFile.Resource@nrc.gov>

Tracking Status: None "Brown, Leta" <Leta.Brown@nrc.gov>

Tracking Status: None Post Office: HQCLSTR02.nrc.gov Files Size Date & Time MESSAGE 611 7/20/2011 11:20:26 AM WBN_JFD_1991-2010[for NRC].pdf 45764 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:

Recipients Received:

JOINT PERCENTAGE FREQUENCIES OF WIND SPEED BY WIND DIRECTION FOR STABILITY CLASS A (DELTA T<=-1.9 C/100 M)

WATTS BAR NUCLEAR PLANT JAN 1, 1991 - DEC 31, 2010 WIND WIND SPEED(MPH)

DIRECTION CALM 0.6-1.4 1.5-3.4 3.5-5.4 5.5-7.4 7.5-12.4 12.5-18.4 18.5-24.4 >=24.5 TOTAL N 0.000 0.001 0.014 0.065 0.118 0.136 0.006 0.000 0.000 0.340 NNE 0.000 0.000 0.016 0.097 0.152 0.219 0.007 0.000 0.000 0.490 NE 0.000 0.000 0.026 0.084 0.077 0.072 0.000 0.000 0.000 0.258 ENE 0.000 0.000 0.026 0.059 0.042 0.016 0.000 0.000 0.000 0.144 E 0.000 0.000 0.025 0.033 0.008 0.004 0.000 0.000 0.000 0.069 ESE 0.000 0.000 0.008 0.021 0.002 0.001 0.000 0.000 0.000 0.032 SE 0.000 0.001 0.016 0.016 0.006 0.004 0.000 0.000 0.000 0.042 SSE 0.000 0.000 0.029 0.041 0.012 0.010 0.001 0.000 0.000 0.093 S 0.000 0.001 0.041 0.117 0.129 0.099 0.015 0.000 0.000 0.402 SSW 0.000 0.001 0.037 0.300 0.537 0.562 0.022 0.000 0.000 1.459 SW 0.000 0.001 0.024 0.126 0.145 0.055 0.001 0.000 0.000 0.351 WSW 0.000 0.000 0.006 0.020 0.019 0.039 0.007 0.000 0.000 0.092 W 0.000 0.000 0.006 0.006 0.029 0.070 0.006 0.000 0.000 0.117 WNW 0.000 0.000 0.006 0.009 0.024 0.095 0.005 0.000 0.000 0.139 NW 0.000 0.000 0.004 0.009 0.028 0.087 0.011 0.000 0.000 0.138 NNW 0.000 0.000 0.009 0.027 0.059 0.124 0.011 0.000 0.000 0.230 SUBTOTAL 0.000 0.004 0.293 1.030 1.386 1.592 0.091 0.000 0.000 4.398 TOTAL HOURS OF VALID STABILITY OBSERVATIONS 171942 TOTAL HOURS OF STABILITY CLASS A 7524 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY CLASS A 7473 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY OBSERVATIONS 169934 TOTAL HOURS CALM 0 METEOROLOGICAL FACILITY: WATTS BAR NUCLEAR PLANT STABILITY BASED ON DELTA-T BETWEEN 9.51 AND 45.63 METERS WIND SPEED AND DIRECTION MEASURED AT 9.72 METER LEVEL DATE PRINTED: 2011/04/21 MEAN WIND SPEED = 6.89 NOTE: TOTALS AND SUBTOTALS ARE OBTAINED FROM UNROUNDED NUMBERS

JOINT PERCENTAGE FREQUENCIES OF WIND SPEED BY WIND DIRECTION FOR STABILITY CLASS B (-1.9< DELTA T<=-1.7 C/100 M)

WATTS BAR NUCLEAR PLANT JAN 1, 1991 - DEC 31, 2010 WIND WIND SPEED(MPH)

DIRECTION CALM 0.6-1.4 1.5-3.4 3.5-5.4 5.5-7.4 7.5-12.4 12.5-18.4 18.5-24.4 >=24.5 TOTAL N 0.000 0.000 0.023 0.105 0.098 0.108 0.003 0.000 0.000 0.337 NNE 0.000 0.000 0.030 0.172 0.172 0.219 0.006 0.000 0.000 0.600 NE 0.000 0.000 0.058 0.139 0.078 0.059 0.000 0.000 0.000 0.334 ENE 0.000 0.000 0.041 0.083 0.035 0.008 0.000 0.000 0.000 0.167 E 0.000 0.001 0.026 0.048 0.005 0.001 0.000 0.000 0.000 0.081 ESE 0.000 0.001 0.019 0.026 0.001 0.000 0.000 0.000 0.000 0.047 SE 0.000 0.000 0.026 0.028 0.004 0.002 0.000 0.000 0.000 0.061 SSE 0.000 0.000 0.038 0.038 0.009 0.004 0.000 0.000 0.000 0.089 S 0.000 0.000 0.055 0.142 0.081 0.045 0.010 0.001 0.000 0.334 SSW 0.000 0.001 0.058 0.342 0.270 0.198 0.014 0.000 0.000 0.883 SW 0.000 0.000 0.026 0.179 0.069 0.019 0.000 0.000 0.000 0.294 WSW 0.000 0.000 0.008 0.040 0.015 0.019 0.001 0.000 0.000 0.084 W 0.000 0.000 0.005 0.015 0.031 0.047 0.009 0.000 0.000 0.107 WNW 0.000 0.001 0.004 0.013 0.037 0.082 0.006 0.000 0.000 0.143 NW 0.000 0.000 0.005 0.021 0.034 0.078 0.009 0.000 0.000 0.147 NNW 0.000 0.000 0.008 0.041 0.055 0.080 0.004 0.000 0.000 0.188 SUBTOTAL 0.000 0.004 0.430 1.432 0.996 0.970 0.063 0.001 0.000 3.895 TOTAL HOURS OF VALID STABILITY OBSERVATIONS 171942 TOTAL HOURS OF STABILITY CLASS B 6670 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY CLASS B 6619 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY OBSERVATIONS 169934 TOTAL HOURS CALM 0 METEOROLOGICAL FACILITY: WATTS BAR NUCLEAR PLANT STABILITY BASED ON DELTA-T BETWEEN 9.51 AND 45.63 METERS WIND SPEED AND DIRECTION MEASURED AT 9.72 METER LEVEL DATE PRINTED: 2011/04/21 MEAN WIND SPEED = 6.08 NOTE: TOTALS AND SUBTOTALS ARE OBTAINED FROM UNROUNDED NUMBERS

JOINT PERCENTAGE FREQUENCIES OF WIND SPEED BY WIND DIRECTION FOR STABILITY CLASS C (-1.7< DELTA T<=-1.5 C/100 M)

WATTS BAR NUCLEAR PLANT JAN 1, 1991 - DEC 31, 2010 WIND WIND SPEED(MPH)

DIRECTION CALM 0.6-1.4 1.5-3.4 3.5-5.4 5.5-7.4 7.5-12.4 12.5-18.4 18.5-24.4 >=24.5 TOTAL N 0.000 0.000 0.058 0.163 0.134 0.149 0.004 0.000 0.000 0.508 NNE 0.000 0.001 0.108 0.255 0.214 0.233 0.013 0.000 0.000 0.824 NE 0.000 0.002 0.117 0.206 0.089 0.052 0.001 0.000 0.000 0.467 ENE 0.000 0.001 0.097 0.118 0.023 0.005 0.001 0.000 0.000 0.245 E 0.000 0.002 0.069 0.055 0.005 0.001 0.000 0.000 0.000 0.132 ESE 0.000 0.001 0.049 0.036 0.003 0.001 0.000 0.000 0.000 0.091 SE 0.000 0.002 0.062 0.045 0.004 0.001 0.000 0.000 0.000 0.114 SSE 0.000 0.002 0.074 0.071 0.009 0.003 0.001 0.000 0.000 0.159 S 0.000 0.001 0.116 0.252 0.085 0.047 0.006 0.001 0.000 0.508 SSW 0.000 0.001 0.152 0.464 0.255 0.171 0.012 0.000 0.000 1.056 SW 0.000 0.002 0.083 0.269 0.076 0.009 0.001 0.000 0.000 0.440 WSW 0.000 0.001 0.024 0.058 0.027 0.021 0.002 0.000 0.000 0.132 W 0.000 0.001 0.016 0.034 0.039 0.046 0.004 0.000 0.000 0.139 WNW 0.000 0.000 0.016 0.038 0.058 0.105 0.006 0.000 0.000 0.224 NW 0.000 0.000 0.021 0.042 0.052 0.095 0.009 0.000 0.000 0.219 NNW 0.000 0.000 0.034 0.070 0.072 0.101 0.006 0.000 0.000 0.282 SUBTOTAL 0.000 0.016 1.097 2.176 1.143 1.041 0.066 0.001 0.000 5.541 TOTAL HOURS OF VALID STABILITY OBSERVATIONS 171942 TOTAL HOURS OF STABILITY CLASS C 9494 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY CLASS C 9416 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY OBSERVATIONS 169934 TOTAL HOURS CALM 0 METEOROLOGICAL FACILITY: WATTS BAR NUCLEAR PLANT STABILITY BASED ON DELTA-T BETWEEN 9.51 AND 45.63 METERS WIND SPEED AND DIRECTION MEASURED AT 9.72 METER LEVEL DATE PRINTED: 2011/04/21 MEAN WIND SPEED = 5.49 NOTE: TOTALS AND SUBTOTALS ARE OBTAINED FROM UNROUNDED NUMBERS

JOINT PERCENTAGE FREQUENCIES OF WIND SPEED BY WIND DIRECTION FOR STABILITY CLASS D (-1.5< DELTA T<=-0.5 C/100 M)

WATTS BAR NUCLEAR PLANT JAN 1, 1991 - DEC 31, 2010 WIND WIND SPEED(MPH)

DIRECTION CALM 0.6-1.4 1.5-3.4 3.5-5.4 5.5-7.4 7.5-12.4 12.5-18.4 18.5-24.4 >=24.5 TOTAL N 0.004 0.048 0.664 0.970 1.049 1.087 0.024 0.000 0.000 3.847 NNE 0.004 0.047 0.702 1.162 1.020 0.979 0.057 0.002 0.000 3.973 NE 0.005 0.050 0.798 0.976 0.415 0.170 0.004 0.000 0.000 2.418 ENE 0.005 0.089 0.834 0.447 0.101 0.036 0.002 0.000 0.000 1.515 E 0.003 0.102 0.517 0.144 0.023 0.005 0.000 0.000 0.000 0.794 ESE 0.002 0.081 0.317 0.062 0.008 0.004 0.000 0.000 0.000 0.474 SE 0.003 0.087 0.392 0.082 0.024 0.013 0.000 0.001 0.000 0.602 SSE 0.004 0.120 0.620 0.178 0.039 0.032 0.009 0.000 0.000 1.003 S 0.008 0.159 1.179 0.760 0.288 0.280 0.083 0.004 0.000 2.762 SSW 0.011 0.136 1.736 1.934 0.922 0.770 0.059 0.001 0.000 5.567 SW 0.007 0.163 1.138 0.853 0.204 0.094 0.004 0.000 0.000 2.462 WSW 0.004 0.114 0.593 0.310 0.124 0.099 0.001 0.000 0.000 1.244 W 0.003 0.119 0.421 0.313 0.231 0.252 0.008 0.000 0.000 1.347 WNW 0.003 0.084 0.373 0.438 0.521 0.478 0.018 0.000 0.000 1.915 NW 0.002 0.059 0.372 0.427 0.567 0.598 0.040 0.001 0.000 2.067 NNW 0.003 0.035 0.481 0.558 0.655 0.839 0.035 0.000 0.000 2.607 SUBTOTAL 0.071 1.495 11.138 9.614 6.191 5.735 0.345 0.008 0.000 34.598 TOTAL HOURS OF VALID STABILITY OBSERVATIONS 171942 TOTAL HOURS OF STABILITY CLASS D 59374 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY CLASS D 58793 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY OBSERVATIONS 169934 TOTAL HOURS CALM 121 METEOROLOGICAL FACILITY: WATTS BAR NUCLEAR PLANT STABILITY BASED ON DELTA-T BETWEEN 9.51 AND 45.63 METERS WIND SPEED AND DIRECTION MEASURED AT 9.72 METER LEVEL DATE PRINTED: 2011/04/21 MEAN WIND SPEED = 4.86 NOTE: TOTALS AND SUBTOTALS ARE OBTAINED FROM UNROUNDED NUMBERS

JOINT PERCENTAGE FREQUENCIES OF WIND SPEED BY WIND DIRECTION FOR STABILITY CLASS E (-0.5< DELTA T<= 1.5 C/100 M)

WATTS BAR NUCLEAR PLANT JAN 1, 1991 - DEC 31, 2010 WIND WIND SPEED(MPH)

DIRECTION CALM 0.6-1.4 1.5-3.4 3.5-5.4 5.5-7.4 7.5-12.4 12.5-18.4 18.5-24.4 >=24.5 TOTAL N 0.020 0.131 0.474 0.609 0.324 0.058 0.002 0.000 0.000 1.618 NNE 0.018 0.122 0.423 0.304 0.161 0.047 0.003 0.000 0.000 1.078 NE 0.025 0.149 0.598 0.350 0.061 0.011 0.004 0.000 0.000 1.197 ENE 0.033 0.208 0.790 0.188 0.012 0.002 0.001 0.000 0.000 1.235 E 0.018 0.237 0.322 0.043 0.012 0.002 0.000 0.000 0.000 0.636 ESE 0.009 0.157 0.130 0.022 0.007 0.004 0.000 0.000 0.000 0.330 SE 0.011 0.183 0.151 0.045 0.023 0.012 0.001 0.000 0.000 0.425 SSE 0.020 0.300 0.294 0.085 0.046 0.038 0.006 0.000 0.000 0.789 S 0.048 0.469 0.983 0.402 0.197 0.183 0.031 0.001 0.000 2.314 SSW 0.082 0.561 1.928 1.181 0.575 0.395 0.026 0.000 0.000 4.749 SW 0.068 0.701 1.348 0.308 0.109 0.052 0.002 0.000 0.000 2.588 WSW 0.050 0.713 0.800 0.141 0.077 0.031 0.000 0.000 0.000 1.810 W 0.046 0.703 0.687 0.201 0.078 0.029 0.000 0.000 0.000 1.745 WNW 0.040 0.617 0.600 0.295 0.100 0.041 0.001 0.000 0.000 1.693 NW 0.032 0.410 0.565 0.295 0.125 0.059 0.002 0.001 0.000 1.489 NNW 0.022 0.211 0.467 0.425 0.290 0.094 0.005 0.000 0.000 1.513 SUBTOTAL 0.543 5.873 10.559 4.895 2.197 1.057 0.084 0.002 0.000 25.209 TOTAL HOURS OF VALID STABILITY OBSERVATIONS 171942 TOTAL HOURS OF STABILITY CLASS E 43451 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY CLASS E 42839 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY OBSERVATIONS 169934 TOTAL HOURS CALM 923 METEOROLOGICAL FACILITY: WATTS BAR NUCLEAR PLANT STABILITY BASED ON DELTA-T BETWEEN 9.51 AND 45.63 METERS WIND SPEED AND DIRECTION MEASURED AT 9.72 METER LEVEL DATE PRINTED: 2011/04/21 MEAN WIND SPEED = 3.03 NOTE: TOTALS AND SUBTOTALS ARE OBTAINED FROM UNROUNDED NUMBERS

JOINT PERCENTAGE FREQUENCIES OF WIND SPEED BY WIND DIRECTION FOR STABILITY CLASS F ( 1.5< DELTA T<= 4.0 C/100 M)

WATTS BAR NUCLEAR PLANT JAN 1, 1991 - DEC 31, 2010 WIND WIND SPEED(MPH)

DIRECTION CALM 0.6-1.4 1.5-3.4 3.5-5.4 5.5-7.4 7.5-12.4 12.5-18.4 18.5-24.4 >=24.5 TOTAL N 0.026 0.227 0.173 0.017 0.000 0.001 0.000 0.000 0.000 0.444 NNE 0.022 0.181 0.165 0.010 0.002 0.001 0.000 0.000 0.000 0.381 NE 0.027 0.176 0.237 0.028 0.002 0.001 0.000 0.000 0.000 0.470 ENE 0.034 0.220 0.304 0.022 0.000 0.001 0.000 0.000 0.000 0.580 E 0.019 0.167 0.125 0.004 0.000 0.000 0.000 0.000 0.000 0.315 ESE 0.009 0.115 0.028 0.000 0.000 0.000 0.000 0.000 0.000 0.152 SE 0.009 0.107 0.035 0.004 0.001 0.002 0.000 0.000 0.000 0.157 SSE 0.014 0.152 0.058 0.009 0.002 0.001 0.001 0.000 0.000 0.236 S 0.033 0.272 0.238 0.033 0.003 0.001 0.000 0.000 0.000 0.580 SSW 0.066 0.424 0.594 0.150 0.009 0.004 0.000 0.000 0.000 1.247 SW 0.088 0.687 0.677 0.029 0.005 0.000 0.000 0.000 0.000 1.486 WSW 0.113 1.020 0.728 0.019 0.002 0.002 0.000 0.000 0.000 1.884 W 0.132 1.389 0.659 0.022 0.004 0.000 0.000 0.000 0.000 2.207 WNW 0.129 1.411 0.577 0.028 0.002 0.001 0.000 0.000 0.000 2.148 NW 0.110 1.159 0.546 0.034 0.004 0.000 0.000 0.000 0.000 1.852 NNW 0.046 0.436 0.272 0.038 0.004 0.001 0.000 0.000 0.000 0.796 SUBTOTAL 0.876 8.143 5.415 0.447 0.037 0.014 0.001 0.000 0.000 14.933 TOTAL HOURS OF VALID STABILITY OBSERVATIONS 171942 TOTAL HOURS OF STABILITY CLASS F 25798 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY CLASS F 25377 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY OBSERVATIONS 169934 TOTAL HOURS CALM 1489 METEOROLOGICAL FACILITY: WATTS BAR NUCLEAR PLANT STABILITY BASED ON DELTA-T BETWEEN 9.51 AND 45.63 METERS WIND SPEED AND DIRECTION MEASURED AT 9.72 METER LEVEL DATE PRINTED: 2011/04/21 MEAN WIND SPEED = 1.47 NOTE: TOTALS AND SUBTOTALS ARE OBTAINED FROM UNROUNDED NUMBERS

JOINT PERCENTAGE FREQUENCIES OF WIND SPEED BY WIND DIRECTION FOR STABILITY CLASS G (DELTA T > 4.0 C/100 M)

WATTS BAR NUCLEAR PLANT JAN 1, 1991 - DEC 31, 2010 WIND WIND SPEED(MPH)

DIRECTION CALM 0.6-1.4 1.5-3.4 3.5-5.4 5.5-7.4 7.5-12.4 12.5-18.4 18.5-24.4 >=24.5 TOTAL N 0.021 0.215 0.071 0.002 0.000 0.000 0.000 0.000 0.000 0.309 NNE 0.018 0.177 0.068 0.000 0.000 0.000 0.000 0.000 0.000 0.263 NE 0.024 0.231 0.099 0.002 0.000 0.000 0.000 0.000 0.000 0.357 ENE 0.028 0.235 0.151 0.001 0.001 0.000 0.000 0.000 0.000 0.415 E 0.017 0.172 0.057 0.001 0.000 0.000 0.000 0.000 0.000 0.246 ESE 0.010 0.117 0.022 0.000 0.000 0.000 0.000 0.000 0.000 0.148 SE 0.012 0.141 0.022 0.000 0.000 0.000 0.000 0.000 0.000 0.175 SSE 0.013 0.151 0.028 0.001 0.000 0.000 0.000 0.000 0.000 0.193 S 0.023 0.267 0.056 0.002 0.001 0.000 0.000 0.000 0.000 0.349 SSW 0.039 0.405 0.137 0.006 0.001 0.000 0.000 0.000 0.000 0.589 SW 0.069 0.664 0.282 0.003 0.000 0.000 0.000 0.000 0.000 1.018 WSW 0.118 1.112 0.525 0.005 0.000 0.000 0.000 0.000 0.000 1.760 W 0.134 1.359 0.489 0.002 0.000 0.000 0.000 0.000 0.000 1.984 WNW 0.108 1.123 0.364 0.005 0.000 0.000 0.000 0.000 0.000 1.600 NW 0.097 0.930 0.405 0.003 0.000 0.000 0.000 0.000 0.000 1.435 NNW 0.039 0.383 0.159 0.004 0.000 0.000 0.000 0.000 0.000 0.585 SUBTOTAL 0.769 7.682 2.936 0.038 0.002 0.000 0.000 0.000 0.000 11.426 TOTAL HOURS OF VALID STABILITY OBSERVATIONS 171942 TOTAL HOURS OF STABILITY CLASS G 19631 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY CLASS G 19417 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY OBSERVATIONS 169934 TOTAL HOURS CALM 1306 METEOROLOGICAL FACILITY: WATTS BAR NUCLEAR PLANT STABILITY BASED ON DELTA-T BETWEEN 9.51 AND 45.63 METERS WIND SPEED AND DIRECTION MEASURED AT 9.72 METER LEVEL DATE PRINTED: 2011/04/21 MEAN WIND SPEED = 1.20 NOTE: TOTALS AND SUBTOTALS ARE OBTAINED FROM UNROUNDED NUMBERS

JOINT PERCENTAGE FREQUENCIES OF WIND SPEED BY WIND DIRECTION DISREGARDING STABILITY CLASS WATTS BAR NUCLEAR PLANT JAN 1, 1991 - DEC 31, 2010 WIND WIND SPEED(MPH)

DIRECTION CALM 0.6-1.4 1.5-3.4 3.5-5.4 5.5-7.4 7.5-12.4 12.5-18.4 18.5-24.4 >=24.5 TOTAL N 0.086 0.622 1.484 1.934 1.726 1.540 0.047 0.000 0.000 7.440 NNE 0.083 0.528 1.520 2.000 1.722 1.705 0.087 0.002 0.000 7.648 NE 0.104 0.608 1.938 1.790 0.723 0.365 0.009 0.000 0.000 5.537 ENE 0.122 0.747 2.248 0.923 0.215 0.069 0.004 0.000 0.000 4.328 E 0.074 0.679 1.146 0.325 0.053 0.013 0.000 0.000 0.000 2.290 ESE 0.043 0.469 0.582 0.169 0.022 0.009 0.000 0.000 0.000 1.293 SE 0.050 0.522 0.711 0.218 0.061 0.033 0.001 0.001 0.000 1.597 SSE 0.076 0.723 1.139 0.422 0.116 0.087 0.017 0.000 0.000 2.581 S 0.156 1.168 2.665 1.718 0.780 0.656 0.144 0.006 0.000 7.292 SSW 0.251 1.525 4.643 4.391 2.565 2.094 0.133 0.001 0.000 15.603 SW 0.236 2.210 3.573 1.785 0.607 0.227 0.008 0.000 0.000 8.645 WSW 0.229 2.951 2.678 0.592 0.261 0.211 0.011 0.000 0.000 6.933 W 0.237 3.556 2.273 0.595 0.412 0.444 0.027 0.000 0.000 7.543 WNW 0.210 3.227 1.938 0.829 0.743 0.807 0.039 0.000 0.000 7.795 NW 0.182 2.547 1.910 0.829 0.812 0.923 0.074 0.002 0.000 7.279 NNW 0.102 1.065 1.427 1.169 1.133 1.239 0.062 0.000 0.000 6.197 SUBTOTAL 2.242 23.148 31.873 19.689 11.951 10.422 0.664 0.011 0.000 100.000 TOTAL HOURS OF VALID WIND OBSERVATIONS 171920 TOTAL HOURS OF OBSERVATIONS 175320 RECOVERABILITY PERCENTAGE 98.1 TOTAL HOURS CALM 3854 METEOROLOGICAL FACILITY: WATTS BAR NUCLEAR PLANT WIND SPEED AND DIRECTION MEASURED AT 9.72 METER LEVEL DATE PRINTED: 2011/04/21 MEAN WIND SPEED = 3.65 NOTE: TOTALS AND SUBTOTALS ARE OBTAINED FROM UNROUNDED NUMBERS

JOINT PERCENTAGE FREQUENCIES OF WIND SPEED BY STABILITY CLASS WATTS BAR NUCLEAR PLANT JAN 1, 1991 - DEC 31, 2010 WIND SPEED STABILITY CLASS (MPH) A B C D E F G CALM 0.000 0.000 0.000 0.071 0.543 0.876 0.769 0.6- 1.4 0.004 0.004 0.016 1.495 5.873 8.143 7.682 1.5- 3.4 0.293 0.430 1.097 11.138 10.559 5.415 2.936 3.5- 5.4 1.030 1.432 2.176 9.614 4.895 0.447 0.038 5.5- 7.4 1.386 0.996 1.143 6.191 2.197 0.037 0.002 7.5-12.4 1.592 0.970 1.041 5.735 1.057 0.014 0.000 12.5-18.4 0.091 0.063 0.066 0.345 0.084 0.001 0.000 18.5-24.4 0.000 0.001 0.001 0.008 0.002 0.000 0.000

>=24.5 0.000 0.000 0.000 0.000 0.000 0.000 0.000 TOTAL 4.398 3.895 5.541 34.598 25.209 14.933 11.426 TOTAL HOURS OF VALID STABILITY OBSERVATIONS 171942 TOTAL HOURS OF VALID WIND DIRECTION-WIND SPEED-STABILITY OBSERVATIONS169934 TOTAL HOURS OF OBSERVATIONS 175320 JOINT RECOVERABILITY PERCENTAGE 96.9 METEOROLOGICAL FACILITY: WATTS BAR NUCLEAR PLANT STABILITY BASED ON DELTA-T BETWEEN 9.51 AND 45.63 METERS WIND SPEED AND DIRECTION MEASURED AT 9.72 METER LEVEL DATE PRINTED: 2011/04/21